Dark Skies: Past Modals for Speculation

 

Dark Skies is a great thriller, but the ending is a bit disappointing. The movie gave me chills, which I love while watching thrillers. I recommend it. This is an intriguing scene, perfect for modals for speculation.

I. Watch the segment, discuss the questions below, and then check the items that you believe are possible explanations for the  phenomenon in the segment.